The Download Japan Postal Information API is a tool designed to provide accurate, structured, and up-to-date information on Japanese addresses based on a postal code. Its main purpose is to facilitate the identification of locations within Japan by providing data such as the prefecture, district, specific area, and their corresponding versions in kanji, kana, and the Roman alphabet (romaji). This functionality allows developers, companies, and digital services to easily integrate address validation and autocomplete into their platforms.
The API is simple to use: when a request is sent with a Japanese postal code, the system returns an organized set of data that includes administrative codes, official names, and transliterations.
In conclusion, the Download Japan Postal Information API represents a modern, efficient, and reliable solution for handling geographic and postal information. Its clear structure, broad compatibility, and official support make it an essential tool for those seeking accuracy, automation, and quality in location data management in the Japanese context.
Returns complete address information based on the postal code, including prefecture, district, and
Postal Code Information - Endpoint Features
| Object | Description |
|---|---|
zipcode |
[Required] Enter a zip code |
{"status":200,"message":"","results":[{"oldzipcode":"100 ","zipcode":"1000001","prefcode":"13101","address1":"東京都","address2":"千代田区","address3":"千代田","kana1":"トウキョウト","kana2":"チヨダク","kana3":"チヨダ","alpha1":"Tokyo","alpha2":"Chiyodaku","alpha3":"Chiyoda"}]}
curl --location --request GET 'https://zylalabs.com/api/11097/download+japan+postal+information+api/20926/postal+code+information?zipcode=1000001' --header 'Authorization: Bearer YOUR_API_KEY'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
The Download Japan Postal Information API returns detailed address information based on a postal code, including prefecture, city, district, and names in kanji, kana, and romaji.
Key fields in the response include `zipcode`, `prefcode`, `address1` (prefecture), `address2` (district), `address3` (specific area), and their corresponding kana and romaji representations.
The response data is structured in a JSON format, containing a status code, message, and a results array with detailed address information for the requested postal code.
The endpoint provides information such as the postal code, prefecture, district, specific area, and their names in kanji, kana, and romaji, facilitating accurate address identification.
Data accuracy is maintained through regular updates from official postal services and geographic databases, ensuring that the information reflects current administrative boundaries and naming conventions.
Typical use cases include address validation, autocomplete features in forms, geographic analysis, and integration into logistics and delivery systems to enhance location accuracy.
Users can customize their requests by specifying a valid Japanese postal code in the API call, which will return the corresponding address details for that specific code.
Users can utilize the returned data to display complete address information in applications, validate user input in forms, or enhance location-based services by providing accurate geographic context.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
Service Level:
100%
Response Time:
329ms
Service Level:
100%
Response Time:
1,188ms
Service Level:
100%
Response Time:
165ms
Service Level:
100%
Response Time:
429ms
Service Level:
100%
Response Time:
1,123ms
Service Level:
100%
Response Time:
132ms
Service Level:
100%
Response Time:
1,165ms
Service Level:
100%
Response Time:
121ms
Service Level:
100%
Response Time:
595ms
Service Level:
100%
Response Time:
565ms
Service Level:
100%
Response Time:
449ms
Service Level:
100%
Response Time:
148ms
Service Level:
100%
Response Time:
58ms
Service Level:
100%
Response Time:
76ms
Service Level:
100%
Response Time:
294ms
Service Level:
100%
Response Time:
149ms
Service Level:
100%
Response Time:
3,057ms
Service Level:
100%
Response Time:
547ms
Service Level:
100%
Response Time:
52ms
Service Level:
100%
Response Time:
1,232ms